Skip to main content
Autonomous System

AS7786

NeuStar, Inc.

Announced IPs
6,912
CIDR prefixes
21
ASN
AS7786

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Trust score 65 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About Neustar

Neustar, Inc. is an American technology company that provides real-time information and analytics for risk, digital performance, defense, telecommunications, entertainment, and marketing industries, and also provides clearinghouse and directory services to the global communications and Internet industries.

Founded
1996
Headquarters
Sterling
Employees
1,488

Network profile

Source: PeeringDB →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
156.154.16.0/23 512
21.9%
NeuStar, Inc. US
156.154.24.0/23 512
9.4%
NeuStar, Inc. US
156.154.116.0/23 512
0.0%
NeuStar, Inc. US
156.154.148.0/23 512
0.2%
NeuStar, Inc. US
156.154.188.0/23 512
0.4%
NeuStar, Inc. US
156.154.192.0/23 512
6.4%
NeuStar, Inc. US
156.154.18.0/24 256
0.0%
NeuStar, Inc. US
156.154.26.0/24 256
0.0%
NeuStar, Inc. US
156.154.30.0/24 256
0.0%
NeuStar, Inc. US
156.154.42.0/24 256
24.6%
NeuStar, Inc. US
156.154.52.0/24 256
10.5%
NeuStar, Inc. US
156.154.56.0/24 256
0.0%
NeuStar, Inc. US
156.154.59.0/24 256
2.0%
NeuStar, Inc. US
156.154.83.0/24 256
0.0%
NeuStar, Inc. US
156.154.136.0/24 256
0.0%
NeuStar, Inc. US
156.154.138.0/24 256
0.0%
NeuStar, Inc. US
156.154.196.0/24 256
0.0%
NeuStar, Inc. US
156.154.199.0/24 256
0.0%
NeuStar, Inc. US
156.154.200.0/24 256
0.0%
NeuStar, Inc. US
156.154.202.0/24 256
0.0%
NeuStar, Inc. US
209.173.53.0/24 256
17.6%
NeuStar, Inc. US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS7786 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
156.154.188.0/23 6,130 2026-07-31 22:58:49
156.154.42.0/24 6,113 2026-07-31 22:58:49
156.154.117.0/24 6,099 2026-07-31 22:58:49
156.154.24.0/24 6,097 2026-07-31 22:58:49
156.154.30.0/24 6,094 2026-07-31 22:58:49
156.154.59.0/24 6,092 2026-07-31 22:58:49
156.154.26.0/24 6,089 2026-07-31 22:58:49
156.154.56.0/24 6,065 2026-07-31 22:58:49
156.154.196.0/24 6,062 2026-07-31 22:58:49
156.154.25.0/24 6,054 2026-07-31 22:58:49
156.154.52.0/24 6,025 2026-07-31 22:58:49
156.154.138.0/24 6,006 2026-07-31 22:58:49
156.154.192.0/24 6,005 2026-07-31 22:58:49
156.154.202.0/24 5,992 2026-07-31 22:58:49
156.154.148.0/23 5,977 2026-07-31 22:58:49
156.154.16.0/22 5,964 2026-07-31 22:58:49
156.154.136.0/24 5,959 2026-07-31 22:58:49
156.154.83.0/24 5,939 2026-07-31 22:58:49
156.154.199.0/24 5,935 2026-07-31 22:58:49
156.154.116.0/24 5,930 2026-07-31 22:58:49
209.173.53.0/24 5,910 2026-07-31 21:17:50
156.154.200.0/24 5,910 2026-07-31 22:58:49
156.154.193.0/24 5,903 2026-07-31 22:58:49

Frequently Asked Questions

What is AS7786?

AS7786 is an Autonomous System Number assigned to NeuStar, Inc.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS7786 announce?

AS7786 announces 6.9K IPv4 addresses distributed across 21 routed CIDR prefixes. The network is registered in United States.

Who operates AS7786?

AS7786 is operated by NeuStar, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS7786 registered in?

AS7786 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-31 23:25:31 UTC
Share